Educator Materials Solar System Scavenger Hunt Try this on for size: If Earth were the size of your head, then Mercury would be an orange and Jupiter a small car. Size up the planets... Article Temporal Changes in the Vertebrate Scavenger Community in Association with Wildebeest Carcasses   Press Release New Species of Ancient Rodents Hint at What Could be World's Oldest Grasslands Analysis of fossilized teeth indicate early open, dry environment in Chilean Andes. July 23, 2012 Educator Materials Microbes Coloring Book & Scavenger Hunt What is a microbe? Learn all about bacteria, viruses, and protists as you color them in. And see if you can find the hidden microbes...   3D Images of Mammoth Calf Mummies Yield Trove of Insights   Press Release Gravitational Waves in the Stars Scientists have shown how gravitational waves—invisible ripples in the fabric of space and time that propagate through the universe—might... September 22, 2014 Article Helpful Hints for Field Sketching Drawing is something you can learn. Start field sketching with these helpful hints. Blog Post CT Scans of Baby Mammoth Mummies Yield Trove of Insights Three-dimensional scans of two mummified newborn woolly mammoths recovered from the Siberian Arctic are revealing previously inaccessible... July 9, 2014 Exhibit Saber-Toothed Cat Numerous remains of the Smilodon, or saber-toothed cat, have been found at the La Brea Tar Pits in Los Angeles. Scientists are unsure... Exhibit Coyote In areas where wolves and cougars are still absent, coyotes act as top predators—although being smaller, they may scavenge as much...   After School Guide to Ology Astronomy   Video Space Volcanoes - Shelf Life 360 Awe-inspiring extraterrestrial eruptions